Invisible Web Directory - Search The Invisible Web With A Web Directory. 100 Useful Tips and Tools to Research the Deep Web. By Alisa Miller Experts say that typical search engines like Yahoo!
And Google only pick up about 1% of the information available on the Internet. The rest of that information is considered to be hidden in the deep web, also referred to as the invisible web. So how can you find all the rest of this information? This list offers 100 tips and tools to help you get the most out of your Internet searches. Guide to Web Search: Web Directories.